Not another dashboard you'll ignore. A weekly email that tells you exactly what changed and how to fix it.
Fix my AWS bill in 60 seconds β freeNo credit card Β· 60-second setup Β· Read-only access
Your AWS spend is $3,240 this month, up 18% β EC2 is 62% of your bill and Reserved Instances could save $420/mo.
This month
$3,240
β 18% vs Sep
Savings found
$420/mo
Reserved Instances
Top service
EC2
62% of bill
Monthly spend
Service breakdown
The things that quietly drain your AWS budget every month
Forgotten test environments running 24/7
Spotted in your first report. Dev instances left on over a weekend cost more than you think.
Typical savings: $180β$600/moEC2 instances that should be Reserved
If it's been running for 3+ months, you're paying on-demand rates for no reason. Reserved saves 30β70%.
Typical savings: $200β$1,200/moS3 data transfer quietly doubling
Transfer costs compound fast and don't trigger billing alerts. ThinCost flags the month it starts climbing.
Typical savings: $90β$400/moEvery Monday morning.
Before: AWS Cost Explorer
Cost and usage
+ 247 more rowsβ¦
You know the number. You don't know why.
After: ThinCost report
Spend up 18% vs last month. EC2 data transfer doubled β a misconfigured NAT Gateway is the likely cause.
Key Findings
NAT Gateway data transfer doubled
Went from $180 β $389 in 30 days. Likely a misconfigured service routing through NAT instead of VPC endpoint.
Save $200/moEC2 Reserved Instance opportunity
3Γ m5.xlarge have been running 24/7 for 6 months. 1-yr reserved would save 42%.
Save $420/moπ° $620/mo in savings identified this week
You know exactly what to fix and what it saves.
Solo founders
βYou're building, not auditing bills.β
ThinCost handles the AWS cost review so you can stay focused. You get a plain-English summary of what matters, once a week.
Small engineering teams
βYour devs shouldn't be in Cost Explorer.β
They should be shipping. ThinCost sends them exactly what changed, why, and what to fix β no dashboard spelunking required.
Startup CTOs
βKnow exactly what to tell your board.β
Walk into every quarterly review knowing your cloud spend, the trend, and the specific optimisations already in motion.
Enter your AWS account ID
No CLI, no IAM keys, no documentation to read. Just your 12-digit account ID.
Deploy a read-only IAM role
One CloudFormation click. Creates a read-only role scoped to Cost Explorer only.
ThinCost Weekly Report
β οΈ $420 in savings found this week
Get weekly savings reports
Every Monday at 8am β what changed, why, and exactly what to fix this week.
Not a wall of charts. Not a link to a dashboard. A verdict, the specific findings, and exactly what to do β written for you, about your account.
β οΈ ThinCost: $420 savings found β Oct 2026
ThinCost <reports@thincost.com>
Mon, Oct 28, 8:03 AM
Your AWS spend is $3,240 this month, up 18% β EC2 Reserved Instances could save $420/mo.
Key Findings
EC2 is 62% of your bill
4Γ m5.xlarge running 24/7. Reserved Instances save $420/mo.
Save $420/moCost up 18% this month
October spend $3,240 vs September $2,740.
Next Steps
Sent by ThinCost Β· thincost.com
We know developers read fine print. Here's the complete picture β no hand-waving.
Read-only IAM
Scoped to Cost Explorer only. Cannot read S3, EC2, RDS, or any of your data.
No credentials stored
We assume your role on demand. No API keys, no long-lived credentials on our servers.
Cost data only
We see billing amounts and service names. Not your logs, traffic, or application data.
Auditable setup
Every line of the CloudFormation template is public. Deploy it, read it, revoke it in 30s.
How data flows
Your AWS account
Cost Explorer API β read only
Read-only IAM role
Created by you, in your account
ThinCost analysis
We pull cost data once per week
Your inbox
Plain-English report, every Monday
That's it. We never touch your infrastructure, instances, databases, or application data. We only ever see cost numbers.
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Teams typically recover $200β2,000/mo. Pays for itself the first week.
Free to start. 60-second setup. No credit card.